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extable: Make init_kernel_text() global

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Convert init_kernel_text() to a global function and use it in a few
places instead of manually comparing _sinittext and _einittext.

Note that kallsyms.h has a very similar function called
is_kernel_inittext(), but its end check is inclusive.  I'm not sure
whether that's intentional behavior, so I didn't touch it.

Suggested-by: Jason Baron <jbaron@akamai.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/4335d02be8d45ca7d265d2f174251d0b7ee6c5fd.1519051220.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Adam W. Willis <return.of.octobot@gmail.com>
Signed-off-by: Nauval Rizky <enuma.alrizky@gmail.com>
Signed-off-by: azrim <mirzaspc@gmail.com>
This commit is contained in:
Josh Poimboeuf 2018-02-20 11:37:53 -06:00 committed by azrim
parent 40baa3cd68
commit c32972a08f
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1 changed files with 1 additions and 3 deletions
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4
kernel/jump_label.c
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@ -16,7 +16,6 @@
#include <linux/jump_label_ratelimit.h>
#include <linux/bug.h>
#include <linux/cpu.h>
#include <asm/sections.h>
#ifdef HAVE_JUMP_LABEL
@ -458,8 +457,7 @@ void __init jump_label_invalidate_init(void)
struct jump_entry *iter;
for (iter = iter_start; iter < iter_stop; iter++) {
if (iter->code >= (unsigned long)_sinittext &&
iter->code < (unsigned long)_einittext)
if (init_kernel_text(iter->code))
iter->code = 0;
}
}